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Machine Learning · head to head

LlamaIndex vs Voiceflow

LlamaIndex logo

LlamaIndex

Machine Learning

Data framework for LLM applications

From
Free
Free plan
Yes
Full reviewWebsite
Voiceflow logo

Voiceflow

AI

Design, build, and launch AI agents

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: LlamaIndex the free LlamaCloud plan includes 10K credits and has no pay as you go option, so work stops when credits run out; Voiceflow the free plan is limited to a single active workspace collaborator, so team collaboration requires upgrading to the paid Pro or Team tiers
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which LlamaIndex and Voiceflow actually diverge.

Attributes where LlamaIndex and Voiceflow differ
AttributeLlamaIndexVoiceflow
Pricing modelusage-basedfreemium
PlatformsLinux, Mac, WindowsWeb
CategoryMachine LearningAI
Founded2022Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in LlamaIndex

  • Data connectors
  • Indexing
  • Query engine
  • RAG pipelines
  • Agents
  • OpenAI
  • Anthropic
  • Pinecone

Only in Voiceflow

Nothing recorded that LlamaIndex does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

LlamaIndex

  • Parsing PDFs and complex documents into structured text for RAGnot Voiceflow
  • Building retrieval augmented generation pipelines over private datanot Voiceflow
  • Indexing and querying enterprise documents from an LLM applicationnot Voiceflow

Voiceflow

  • Automating customer support by resolving 59% of support tickets without human interventionnot LlamaIndex
  • Managing conversational agents across web, app, WhatsApp, SMS, and voice channels simultaneouslynot LlamaIndex
  • Designing and testing conversation flows visually before production deploymentnot LlamaIndex
  • Connecting AI agents to Salesforce, Shopify, Zendesk, Airtable for data integrationnot LlamaIndex

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

LlamaIndex

  • The free LlamaCloud plan includes 10K credits and has no pay as you go option, so work stops when credits run out
  • Concurrent parse jobs are capped at 5 on Free and Starter, 20 on Pro and 100 on Enterprise
  • Pay as you go spend is capped at $500 per month on Starter and $5,000 per month on Pro
  • Enterprise SSO is Enterprise plan only
  • Volume discounts on credits and 5x higher rate limits are Enterprise only
  • SaaS or hybrid cloud deployment choice and a dedicated account manager are Enterprise only
  • Enterprise pricing is by quote with no published rate

Voiceflow

  • The free plan is limited to a single active workspace collaborator, so team collaboration requires upgrading to the paid Pro or Team tiers

Pricing, plan by plan

LlamaIndex

Free
  • FreeFree
    • 10K monthly credits
    • Basic parsing
    • 5 concurrent jobs
  • Starter$50/month
    • 40K credits + pay-as-you-go
    • Up to 400K credits
    • 5 concurrent jobs
  • Pro$500/month
    • 400K credits + limited-time bonus
    • 20 concurrent jobs
    • Priority Slack support
  • Enterprise$null/custom
    • Custom volume discounts
    • 5x higher rate limits
    • SSO

Voiceflow

Free

No published plan breakdown. See the Voiceflow review.

Which should you pick?

Choose LlamaIndex if

  • You need data connectors.
  • You want to start without paying.
  • You work on Linux, Mac, Windows.
  • You also want indexing.
LlamaIndex review

Choose Voiceflow if

  • You want to start without paying.
Voiceflow review

Questions people ask

Is LlamaIndex or Voiceflow better?
Neither clearly leads. LlamaIndex starts at Free and Voiceflow at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LlamaIndex or Voiceflow?
LlamaIndex starts at Free and Voiceflow at Free.
Does LlamaIndex or Voiceflow run on more platforms?
LlamaIndex runs on Linux, Mac, Windows. Voiceflow runs on Web.
Can I use LlamaIndex for free?
Both have a free tier, so you can try either at no cost before committing.
What is LlamaIndex best used for?
LlamaIndex is most often used for parsing pdfs and complex documents into structured text for rag, building retrieval augmented generation pipelines over private data, indexing and querying enterprise documents from an llm application. Of those, parsing pdfs and complex documents into structured text for rag and building retrieval augmented generation pipelines over private data are not what Voiceflow is typically brought in for.
What can LlamaIndex do that Voiceflow cannot?
LlamaIndex covers Data connectors, Indexing, Query engine, RAG pipelines.

Answered from the vendors’ own pages

LlamaIndex: How much does LlamaIndex (LlamaParse) cost?

LlamaIndex offers a Free plan with 10K monthly credits at $0/month. The Starter plan is $50/month for 40K credits plus pay-as-you-go overage up to 400K total. The Pro plan is $500/month for 400K credits. Credits are priced at 1,000 credits for $1.25.

Source
Voiceflow: Can non-technical team members build conversational agents with Voiceflow?

Yes, Voiceflow's visual flow editor allows designers and non-technical staff to design conversation paths, test interactions in real-time, and iterate without writing code.

Source
LlamaIndex: Is LlamaIndex free?

Yes, LlamaIndex offers a free plan with 10K monthly credits, basic parsing, 5 concurrent jobs, and support for up to 100 users with no upfront payment required.

Source
Voiceflow: Does Voiceflow support HIPAA and GDPR compliance?

Yes, Voiceflow is used by healthcare and financial services organizations and offers HIPAA and GDPR compliance certifications for regulated customer interactions.

Source
LlamaIndex: What are LlamaIndex's concurrent job limits?

The Free and Starter plans allow 5 concurrent jobs. The Pro plan increases this to 20 concurrent jobs. Enterprise plans offer custom configurations with 5x higher rate limits.

Source
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